The Bearing,ball,annular, cataloged under National Stock Number 3110-00-428-0737, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Ntn Bearing Corporation of America. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-428-0737 |
| Primary Part Number | 306SS/7S#GV |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Ntn Bearing Corporation of America |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material | GREASE |
| Internal Fit-Up Designation | LOOSE |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 72.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 30.0 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| Lubrication Material Document and Classification | MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 306KDDFS50381 | Timken Co Div the Timken Company (USA) |
| 306SS/7S#GV PRIMARY | Ntn Bearing Corporation of America (USA) |
| Reference | Meaning |
|---|---|
| 8327-9 | 5/9 Secondary reference U.S. Government activity |
| 77606L1270V | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| P306KDDFS59095 | 5/9 Secondary reference Timken Co Div the Timken Company |
| 91306-12 | 5/1 Secondary reference U.S. Government activity |
| 306KDDFS50104 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-00-428-0737 is a Bearing,ball,annular, manufactured by Ntn Bearing Corporation of America, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-428-0737 has 2 manufacturer part numbers on file: 306KDDFS50381 (Timken Co Div the Timken Company), 306SS/7S#GV (Ntn Bearing Corporation of America).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-282-7362. Verify interchangeability with system specifications before substitution.
Key specifications for 306SS/7S#GV: Retainer Fabrication Method: PRESSED; Lubrication Material: GREASE; Internal Fit-Up Designation: LOOSE; Surface Finish: GROUND. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.